linux-kernel - [btrfs] a73ab37eba: last_state.is_incomplete

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Date:   Thu, 27 Aug 2020 16:56:13 +0800
From:   kernel test robot <rong.a.chen@...el.com>
To:     Qu Wenruo <wqu@...e.com>
Cc:     linux-btrfs@...r.kernel.org, 0day robot <lkp@...el.com>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
        ltp@...ts.linux.it
Subject: [btrfs] a73ab37eba: last_state.is_incomplete_run

Greeting,

FYI, we noticed the following commit (built with gcc-9):

commit: a73ab37ebab960522a0b353a6f20c8094ab911c5 ("[PATCH v3 4/4] btrfs: avoid allocating unnecessary page pointers")
url: https://github.com/0day-ci/linux/commits/Qu-Wenruo/btrfs-basic-refactor-of-btrfs_buffered_write/20200825-135114
base: https://git.kernel.org/cgit/linux/kernel/git/kdave/linux.git for-next

in testcase: ltp
with following parameters:

	disk: 1HDD
	fs: btrfs
	test: dio-01
	ucode: 0x21

test-description: The LTP testsuite contains a collection of tools for testing the Linux kernel and related features.
test-url: http://linux-test-project.github.io/


on test machine: 8 threads Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz with 16G memory

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):



If you fix the issue, kindly add following tag
Reported-by: kernel test robot <rong.a.chen@...el.com>


user  :notice: [   38.363230] 2020-08-26 19:27:45 ./runltp -f dio-01 -d /fs/sdb2/tmpdir

user  :notice: [   38.365562] INFO: creating /lkp/benchmarks/ltp/output directory

user  :notice: [   38.367844] INFO: creating /lkp/benchmarks/ltp/results directory

user  :notice: [   38.369848] Checking for required user/group ids


user  :notice: [   38.372340] 'nobody' user id and group found.

user  :notice: [   38.374144] 'bin' user id and group found.

user  :notice: [   38.376016] 'daemon' user id and group found.

user  :notice: [   38.377551] Users group found.

user  :notice: [   38.379044] Sys group found.

user  :notice: [   38.380718] Required users/groups exist.

user  :notice: [   38.383268] If some fields are empty or look unusual you may have an old version.

user  :notice: [   38.385944] Compare to the current minimal requirements in Documentation/Changes.


user  :notice: [   38.388181] /etc/os-release

user  :notice: [   38.390243] PRETTY_NAME="Debian GNU/Linux 10 (buster)"

user  :notice: [   38.391994] NAME="Debian GNU/Linux"

user  :notice: [   38.393535] VERSION_ID="10"

user  :notice: [   38.395224] VERSION="10 (buster)"

user  :notice: [   38.396981] VERSION_CODENAME=buster

user  :notice: [   38.398396] ID=debian

user  :notice: [   38.400283] HOME_URL="https://www.debian.org/"

user  :notice: [   38.402413] SUPPORT_URL="https://www.debian.org/support"

user  :notice: [   38.404536] BUG_REPORT_URL="https://bugs.debian.org/"


user  :notice: [   38.406618] uname:

user  :notice: [   38.410005] Linux lkp-ivb-d01 5.9.0-rc2-00084-ga73ab37ebab96 #1 SMP Tue Aug 25 17:04:50 CST 2020 x86_64 GNU/Linux


user  :notice: [   38.412305] /proc/cmdline


To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml



Thanks,
Rong Chen


View attachment "config-5.9.0-rc2-00084-ga73ab37ebab96" of type "text/plain" (170215 bytes)

View attachment "job-script" of type "text/plain" (5829 bytes)

Download attachment "kmsg.xz" of type "application/x-xz" (24252 bytes)

View attachment "job.yaml" of type "text/plain" (4631 bytes)

Download attachment "parent-kmsg.xz" of type "application/x-xz" (26332 bytes)